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Thread: Surging under 2200 rpm with 103 Katech TB

  1. 09-19-2022 #1
    Postal Painmaker
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    Surging under 2200 rpm with 103 Katech TB

    Anyone have any issue with Katech 103 TB? I was told its the TB by my tuner but when i contacted Katech they said its a problem with the tune not the TB.
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  2. 09-19-2022 #2
    eXo3901
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    Search on here for what may need to be adjusted(etc scalar) when switching to a different TB. Some TBs need the adjustments, others may not, and still others may just not work well at all.
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  3. 09-26-2022 #3
    Postal Painmaker
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    Thanks , ill search for that.
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  4. 03-22-2023 #4
    Postal Painmaker
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    Solved!
    Slower down the 02 short tern trims in closed loop.
    Proportional (Air flow mode)
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